hydrogen
noun
a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
Source: WordNet 3.1, Princeton University
Hydrogen meaning
What does “hydrogen” mean? Definitions, examples, synonyms and opposites.
“hydrogen” is a noun with one meaning. Its most common meaning is: a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe.